Montevideo, Uruguay · Available for remote work

juanwillimandev@gmail.com

Featured Apps

See my most recent and notable projects

Skills

The tools I reach for

Languages & Platforms

  • Swift
  • SwiftUI
  • UIKit
  • React Native
  • Angular
  • .NET
  • SQL

Apple Frameworks

  • Combine
  • Async/Await
  • Core Data
  • SwiftData
  • StoreKit
  • WidgetKit
  • EventKit
  • AVFoundation
  • Core Animation
  • MapKit
  • URLSession

Architecture & Backend

  • MVVM
  • MVC
  • Clean Architecture
  • Dependency Injection
  • REST
  • Firebase
  • Supabase

Tools & SDKs

  • Xcode
  • Git
  • TestFlight
  • App Store Connect
  • Fastlane
  • Postman
  • Alamofire
  • Kingfisher
  • OneSignal
  • FacePhi

Design & Process

  • Figma
  • UX/UI Design
  • Prototyping
  • Design Systems
  • Design Thinking
  • Agile/Scrum

Spoken Languages

  • Spanish — Native
  • English — C2 (ECPE)

My Experience

Where I've been and what I've built

  1. 2018 — Present

    iOS Contractor & Project Manager

    Independent · Montevideo, Uruguay

    Deliver native and hybrid iOS projects from concept to App Store release: product planning, UX/UI design, architecture, development, testing and maintenance.

  2. 2022 — 2026

    Senior iOS Engineer & UX/UI Designer

    Houlak · Montevideo, Uruguay

    Designed and built iOS apps with Swift, SwiftUI, UIKit and Combine, plus React Native hybrid apps for fintech enterprises. Led features end to end — UX research, UI design, implementation, testing, App Store releases and maintenance — while mentoring junior iOS developers. Worked on performance, analytics, accessibility and subscription features.

  3. 2026

    Bachelor's Degree in Computer Science

    Universidad ORT Uruguay

  4. 2017

    Proficiency in English (ECPE)

    Alianza Institute · Montevideo, Uruguay

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Say Hello

Got an app idea or a team that needs an iOS Engineer? Send me a note!